Portable bar



FIG. 1 is a front perspective view of my portable bar;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is left side view thereof; and,

FIG. 7 is a top view thereof.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a portable bar, as shown and described. 